72100386.000000000

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{664151}}^1$

素因数の和:664170

約数の個数: 20

約数和(自身を含む): 247064544

約数和(自身を除く): 130173968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 664151, 1328302, 2656604, 5313208, 7305661, 10626416, 14611322, 29222644, 58445288, 116890576]

約数ペア:

[(1, 116890576), (2, 58445288), (4, 29222644), (8, 14611322), (11, 10626416), (16, 7305661), (22, 5313208), (44, 2656604), (88, 1328302), (176, 664151)]